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| Criterion |  UX Research User Interviews |  Product Discovery Opportunity Interview |  Product Discovery Fake Door Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min per interview | 30-60 min je Interview | 1-5 Tage | 30-60 min |
Participantsdifferent | 1 participant per interview | 5-12 Interviews | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes | Click Data, Interest Signal, Learning Decision | Completed Experiment Canvas, Success Metric |
Tags1 shared | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |